Home / 6,119.63-8,445.05-3,325.13

Finding the Fourth Proportional to 6,119.63, 8,445.05 and 3,325.13

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Solution

The fourth proportional to 6,119.63, 8,445.05 and 3,325.13 is: 4,588.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119.63 : 8,445.05 = 3,325.13 : x
  2. Step 2: Convert to fraction form
    6,119.63/8,445.05 = 3,325.13/x
  3. Step 3: Cross multiply
    6,119.63x = 8,445.05 × 3,325.13
  4. Step 4: Simplify right side
    6,119.63x = 28,080,889.11
  5. Step 5: Solve for x
    x = 28,080,889.11/6,119.63
  6. Step 6: Final answer
    x = 4,588.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.